Lewissanchez/feat/add language service switch

[lewis-sanchez]

This PR fixes #17298

This PR adds a new setting to the MSSQL extension that allows users to have the language mode set to none by default

New query editors that are opened when this setting is enabled, will have "None" as the chosen language

Previously saved query files that are opened when this setting is enabled, will also have "None" as the chosen language

[lewis-sanchez]

Need to fix PR issues with whitespace

[github-actions]

VSIX Size Comparison

• Main branch VSIX size: 11750 KB
• PR branch VSIX size: 11750 KB
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React Webview Bundle Size Comparison

• Main branch bundle size: 2416 KB
• PR branch bundle size: 2416 KB
• Size difference: $${\color{green} 0 KB \space (0\%) }$$

[github-actions]

Updates to localized strings required

Please update the localized strings in the PR with following steps:

1. Run yarn localization in the PR branch.
2. Based on the changes,
   • If there are changes in localized strings in source code, make sure that src/localization/xliff/vscode-mssql.xlf and src/l10n/bundle.l10n.json files are updated.
   • If there are changes in localized strings in package.nls.json, make sure that src/localization/xliff/vscode-mssql.xlf is updated.